نتایج جستجو برای: release rate
تعداد نتایج: 1151831 فیلتر نتایج به سال:
in this work we synthesized nano hydroxyapatite (hap) by sol-gel method, then we functionalized hydroxyapatite nanoparticle by use of 3-aminopropyl trimethoxysilane (aptms) , to improve the loading and control release of sulfasalazine drug bonded to aptms. the drug release patterns from sulfasalazine loaded hap nanoparticles at ph value 8 for 6h, sulfasalazine loaded functionalized hap nanopa...
Triptoreline is a potent agonist of luteinizing hormone-releasing hormone, currently used in the treatment of prostatic cancer where therapy may be required over months or years. Frequent injection of drug decreases patients’ compliance. The present study describes the formulation of a sustained release microparticulate drug delivery system containing triptoreline acetate, using poly (D,L lacti...
The goal of this research is preparation, optimization and in-vitro evaluation of rifampin-loaded silica nanaoparticles in order to use in pulmonary drug delivery. Nanoparticles are exhaled because of thier small size, Preparation of nanoaggregates in micron-sized scale and re-disrpersion of them after the deposition in the lung is one approach in order to overcome this problem, which we used i...
Background and aims: Process industries are known to be hazardous industries. Chemical Industrial process involves several processes such as drilling and production, storage, transportation, and refining. These activities are different in nature. Also, they are different in job Risks. One of the main and dangerous sections of the process is oil reservoir. Therefore, this study aimed to identify...
Backgrounds: Microparticles are one of drug delivery systems designed for sustained and controlled release of drugs for a long period of time. Clotrimazole is a broad-spectrum antifungal agent, which is generally used for treatment of Candida albicans and others fungal infections. Objectives: The present study aims to fabricate Clotrimazole microparticles using beeswax (lipophilic coating) an...
triptoreline is a potent agonist of luteinizing hormone-releasing hormone, currently used in the treatment of prostatic cancer where therapy may be required over months or years. frequent injection of drug decreases patients’ compliance. the present study describes the formulation of a sustained release microparticulate drug delivery system containing triptoreline acetate, using poly (d,l lacti...
in recent years, great efforts have been devoted to the design of drug delivery systems. many polymeric excipients have been studied in order to make drug release fit the desired profiles. the aim of this work was to design a theophylline oral suspension, as sustained release pharmaceutical preparation in order to decrease the plasma level fluctuations and adverse effects of theophylline. micro...
Objective Eudragits are widely used polymers in the production of oral sustained release dosage forms. The application of these polymers in the production of inert insoluble matrices has been investigated. However the effect of particle size, compaction force and presence of Aerosil 200 as a glidant on the properties of Eudragit RS and RL matrices prepared by direct compression of their physic...
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